1. Mathai A. M. and Saxena R. K., Generalized Hypergeometric Functions with Applications in Statistics and Physical Sciences, Springer-Verlag, Berlin, Heidelberg, and New York (1973).
2. Strivastava H. M. and Manocha H., A Treatise on Generating Functions, Ellis Horwood Ltd, Chichester (1984).
3. Strivastava H. M. and Kashyap B. R. K., Special Functions in Queuing Theory and Related Stochastic Processes, Academic Press, New York (1982).
4. Khriptun M. D., “On a certain higher-order differential equation,” Dop. Akad. Nauk Ukrain. SSR, No. 3, 289–293 (1960).
5. Khriptun M. D., “On a linear ordinary differential equation of higher order,” Ukrain. Mat. Zh., 15, No. 3, 277–289 (1963).